linux/drivers/gpu/drm/gma500/psb_drv.h
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   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/**************************************************************************
   3 * Copyright (c) 2007-2011, Intel Corporation.
   4 * All Rights Reserved.
   5 *
   6 **************************************************************************/
   7
   8#ifndef _PSB_DRV_H_
   9#define _PSB_DRV_H_
  10
  11#include <linux/kref.h>
  12#include <linux/mm_types.h>
  13
  14#include <drm/drm_device.h>
  15
  16#include "gma_display.h"
  17#include "gtt.h"
  18#include "intel_bios.h"
  19#include "mmu.h"
  20#include "oaktrail.h"
  21#include "opregion.h"
  22#include "power.h"
  23#include "psb_intel_drv.h"
  24#include "psb_reg.h"
  25
  26#define DRIVER_AUTHOR "Alan Cox <alan@linux.intel.com> and others"
  27
  28#define DRIVER_NAME "gma500"
  29#define DRIVER_DESC "DRM driver for the Intel GMA500, GMA600, GMA3600, GMA3650"
  30#define DRIVER_DATE "20140314"
  31
  32#define DRIVER_MAJOR 1
  33#define DRIVER_MINOR 0
  34#define DRIVER_PATCHLEVEL 0
  35
  36/* Append new drm mode definition here, align with libdrm definition */
  37#define DRM_MODE_SCALE_NO_SCALE         2
  38
  39enum {
  40        CHIP_PSB_8108 = 0,              /* Poulsbo */
  41        CHIP_PSB_8109 = 1,              /* Poulsbo */
  42        CHIP_MRST_4100 = 2,             /* Moorestown/Oaktrail */
  43};
  44
  45#define IS_PSB(drm) ((to_pci_dev((drm)->dev)->device & 0xfffe) == 0x8108)
  46#define IS_MRST(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x4100)
  47#define IS_CDV(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x0be0)
  48
  49/* Hardware offsets */
  50#define PSB_VDC_OFFSET           0x00000000
  51#define PSB_VDC_SIZE             0x000080000
  52#define MRST_MMIO_SIZE           0x0000C0000
  53#define PSB_SGX_SIZE             0x8000
  54#define PSB_SGX_OFFSET           0x00040000
  55#define MRST_SGX_OFFSET          0x00080000
  56
  57/* PCI resource identifiers */
  58#define PSB_MMIO_RESOURCE        0
  59#define PSB_AUX_RESOURCE         0
  60#define PSB_GATT_RESOURCE        2
  61#define PSB_GTT_RESOURCE         3
  62
  63/* PCI configuration */
  64#define PSB_GMCH_CTRL            0x52
  65#define PSB_BSM                  0x5C
  66#define _PSB_GMCH_ENABLED        0x4
  67#define PSB_PGETBL_CTL           0x2020
  68#define _PSB_PGETBL_ENABLED      0x00000001
  69#define PSB_SGX_2D_SLAVE_PORT    0x4000
  70#define PSB_LPC_GBA              0x44
  71
  72/* TODO: To get rid of */
  73#define PSB_TT_PRIV0_LIMIT       (256*1024*1024)
  74#define PSB_TT_PRIV0_PLIMIT      (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
  75
  76/* SGX side MMU definitions (these can probably go) */
  77
  78/* Flags for external memory type field */
  79#define PSB_MMU_CACHED_MEMORY     0x0001        /* Bind to MMU only */
  80#define PSB_MMU_RO_MEMORY         0x0002        /* MMU RO memory */
  81#define PSB_MMU_WO_MEMORY         0x0004        /* MMU WO memory */
  82
  83/* PTE's and PDE's */
  84#define PSB_PDE_MASK              0x003FFFFF
  85#define PSB_PDE_SHIFT             22
  86#define PSB_PTE_SHIFT             12
  87
  88/* Cache control */
  89#define PSB_PTE_VALID             0x0001        /* PTE / PDE valid */
  90#define PSB_PTE_WO                0x0002        /* Write only */
  91#define PSB_PTE_RO                0x0004        /* Read only */
  92#define PSB_PTE_CACHED            0x0008        /* CPU cache coherent */
  93
  94/* VDC registers and bits */
  95#define PSB_MSVDX_CLOCKGATING     0x2064
  96#define PSB_TOPAZ_CLOCKGATING     0x2068
  97#define PSB_HWSTAM                0x2098
  98#define PSB_INSTPM                0x20C0
  99#define PSB_INT_IDENTITY_R        0x20A4
 100#define _PSB_IRQ_ASLE             (1<<0)
 101#define _MDFLD_PIPEC_EVENT_FLAG   (1<<2)
 102#define _MDFLD_PIPEC_VBLANK_FLAG  (1<<3)
 103#define _PSB_DPST_PIPEB_FLAG      (1<<4)
 104#define _MDFLD_PIPEB_EVENT_FLAG   (1<<4)
 105#define _PSB_VSYNC_PIPEB_FLAG     (1<<5)
 106#define _PSB_DPST_PIPEA_FLAG      (1<<6)
 107#define _PSB_PIPEA_EVENT_FLAG     (1<<6)
 108#define _PSB_VSYNC_PIPEA_FLAG     (1<<7)
 109#define _PSB_IRQ_DISP_HOTSYNC     (1<<17)
 110#define _PSB_IRQ_SGX_FLAG         (1<<18)
 111#define _PSB_IRQ_MSVDX_FLAG       (1<<19)
 112#define _LNC_IRQ_TOPAZ_FLAG       (1<<20)
 113
 114#define _PSB_PIPE_EVENT_FLAG    (_PSB_VSYNC_PIPEA_FLAG | \
 115                                 _PSB_VSYNC_PIPEB_FLAG)
 116
 117#define PSB_INT_IDENTITY_R        0x20A4
 118#define PSB_INT_MASK_R            0x20A8
 119#define PSB_INT_ENABLE_R          0x20A0
 120
 121#define _PSB_MMU_ER_MASK      0x0001FF00
 122#define _PSB_MMU_ER_HOST      (1 << 16)
 123#define GPIOA                   0x5010
 124#define GPIOB                   0x5014
 125#define GPIOC                   0x5018
 126#define GPIOD                   0x501c
 127#define GPIOE                   0x5020
 128#define GPIOF                   0x5024
 129#define GPIOG                   0x5028
 130#define GPIOH                   0x502c
 131#define GPIO_CLOCK_DIR_MASK             (1 << 0)
 132#define GPIO_CLOCK_DIR_IN               (0 << 1)
 133#define GPIO_CLOCK_DIR_OUT              (1 << 1)
 134#define GPIO_CLOCK_VAL_MASK             (1 << 2)
 135#define GPIO_CLOCK_VAL_OUT              (1 << 3)
 136#define GPIO_CLOCK_VAL_IN               (1 << 4)
 137#define GPIO_CLOCK_PULLUP_DISABLE       (1 << 5)
 138#define GPIO_DATA_DIR_MASK              (1 << 8)
 139#define GPIO_DATA_DIR_IN                (0 << 9)
 140#define GPIO_DATA_DIR_OUT               (1 << 9)
 141#define GPIO_DATA_VAL_MASK              (1 << 10)
 142#define GPIO_DATA_VAL_OUT               (1 << 11)
 143#define GPIO_DATA_VAL_IN                (1 << 12)
 144#define GPIO_DATA_PULLUP_DISABLE        (1 << 13)
 145
 146#define VCLK_DIVISOR_VGA0   0x6000
 147#define VCLK_DIVISOR_VGA1   0x6004
 148#define VCLK_POST_DIV       0x6010
 149
 150#define PSB_COMM_2D (PSB_ENGINE_2D << 4)
 151#define PSB_COMM_3D (PSB_ENGINE_3D << 4)
 152#define PSB_COMM_TA (PSB_ENGINE_TA << 4)
 153#define PSB_COMM_HP (PSB_ENGINE_HP << 4)
 154#define PSB_COMM_USER_IRQ (1024 >> 2)
 155#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
 156#define PSB_COMM_FW (2048 >> 2)
 157
 158#define PSB_UIRQ_VISTEST               1
 159#define PSB_UIRQ_OOM_REPLY             2
 160#define PSB_UIRQ_FIRE_TA_REPLY         3
 161#define PSB_UIRQ_FIRE_RASTER_REPLY     4
 162
 163#define PSB_2D_SIZE (256*1024*1024)
 164#define PSB_MAX_RELOC_PAGES 1024
 165
 166#define PSB_LOW_REG_OFFS 0x0204
 167#define PSB_HIGH_REG_OFFS 0x0600
 168
 169#define PSB_NUM_VBLANKS 2
 170
 171
 172#define PSB_2D_SIZE (256*1024*1024)
 173#define PSB_MAX_RELOC_PAGES 1024
 174
 175#define PSB_LOW_REG_OFFS 0x0204
 176#define PSB_HIGH_REG_OFFS 0x0600
 177
 178#define PSB_NUM_VBLANKS 2
 179#define PSB_WATCHDOG_DELAY (HZ * 2)
 180#define PSB_LID_DELAY (HZ / 10)
 181
 182#define PSB_PWR_STATE_ON                1
 183#define PSB_PWR_STATE_OFF               2
 184
 185#define PSB_PMPOLICY_NOPM               0
 186#define PSB_PMPOLICY_CLOCKGATING        1
 187#define PSB_PMPOLICY_POWERDOWN          2
 188
 189#define PSB_PMSTATE_POWERUP             0
 190#define PSB_PMSTATE_CLOCKGATED          1
 191#define PSB_PMSTATE_POWERDOWN           2
 192#define PSB_PCIx_MSI_ADDR_LOC           0x94
 193#define PSB_PCIx_MSI_DATA_LOC           0x98
 194
 195/* Medfield crystal settings */
 196#define KSEL_CRYSTAL_19 1
 197#define KSEL_BYPASS_19 5
 198#define KSEL_BYPASS_25 6
 199#define KSEL_BYPASS_83_100 7
 200
 201struct drm_fb_helper;
 202
 203struct opregion_header;
 204struct opregion_acpi;
 205struct opregion_swsci;
 206struct opregion_asle;
 207
 208struct psb_intel_opregion {
 209        struct opregion_header *header;
 210        struct opregion_acpi *acpi;
 211        struct opregion_swsci *swsci;
 212        struct opregion_asle *asle;
 213        void *vbt;
 214        u32 __iomem *lid_state;
 215        struct work_struct asle_work;
 216};
 217
 218struct sdvo_device_mapping {
 219        u8 initialized;
 220        u8 dvo_port;
 221        u8 slave_addr;
 222        u8 dvo_wiring;
 223        u8 i2c_pin;
 224        u8 i2c_speed;
 225        u8 ddc_pin;
 226};
 227
 228struct intel_gmbus {
 229        struct i2c_adapter adapter;
 230        struct i2c_adapter *force_bit;
 231        u32 reg0;
 232};
 233
 234/* Register offset maps */
 235struct psb_offset {
 236        u32     fp0;
 237        u32     fp1;
 238        u32     cntr;
 239        u32     conf;
 240        u32     src;
 241        u32     dpll;
 242        u32     dpll_md;
 243        u32     htotal;
 244        u32     hblank;
 245        u32     hsync;
 246        u32     vtotal;
 247        u32     vblank;
 248        u32     vsync;
 249        u32     stride;
 250        u32     size;
 251        u32     pos;
 252        u32     surf;
 253        u32     addr;
 254        u32     base;
 255        u32     status;
 256        u32     linoff;
 257        u32     tileoff;
 258        u32     palette;
 259};
 260
 261/*
 262 *      Register save state. This is used to hold the context when the
 263 *      device is powered off. In the case of Oaktrail this can (but does not
 264 *      yet) include screen blank. Operations occuring during the save
 265 *      update the register cache instead.
 266 */
 267
 268/* Common status for pipes */
 269struct psb_pipe {
 270        u32     fp0;
 271        u32     fp1;
 272        u32     cntr;
 273        u32     conf;
 274        u32     src;
 275        u32     dpll;
 276        u32     dpll_md;
 277        u32     htotal;
 278        u32     hblank;
 279        u32     hsync;
 280        u32     vtotal;
 281        u32     vblank;
 282        u32     vsync;
 283        u32     stride;
 284        u32     size;
 285        u32     pos;
 286        u32     base;
 287        u32     surf;
 288        u32     addr;
 289        u32     status;
 290        u32     linoff;
 291        u32     tileoff;
 292        u32     palette[256];
 293};
 294
 295struct psb_state {
 296        uint32_t saveVCLK_DIVISOR_VGA0;
 297        uint32_t saveVCLK_DIVISOR_VGA1;
 298        uint32_t saveVCLK_POST_DIV;
 299        uint32_t saveVGACNTRL;
 300        uint32_t saveADPA;
 301        uint32_t saveLVDS;
 302        uint32_t saveDVOA;
 303        uint32_t saveDVOB;
 304        uint32_t saveDVOC;
 305        uint32_t savePP_ON;
 306        uint32_t savePP_OFF;
 307        uint32_t savePP_CONTROL;
 308        uint32_t savePP_CYCLE;
 309        uint32_t savePFIT_CONTROL;
 310        uint32_t saveCLOCKGATING;
 311        uint32_t saveDSPARB;
 312        uint32_t savePFIT_AUTO_RATIOS;
 313        uint32_t savePFIT_PGM_RATIOS;
 314        uint32_t savePP_ON_DELAYS;
 315        uint32_t savePP_OFF_DELAYS;
 316        uint32_t savePP_DIVISOR;
 317        uint32_t saveBCLRPAT_A;
 318        uint32_t saveBCLRPAT_B;
 319        uint32_t savePERF_MODE;
 320        uint32_t saveDSPFW1;
 321        uint32_t saveDSPFW2;
 322        uint32_t saveDSPFW3;
 323        uint32_t saveDSPFW4;
 324        uint32_t saveDSPFW5;
 325        uint32_t saveDSPFW6;
 326        uint32_t saveCHICKENBIT;
 327        uint32_t saveDSPACURSOR_CTRL;
 328        uint32_t saveDSPBCURSOR_CTRL;
 329        uint32_t saveDSPACURSOR_BASE;
 330        uint32_t saveDSPBCURSOR_BASE;
 331        uint32_t saveDSPACURSOR_POS;
 332        uint32_t saveDSPBCURSOR_POS;
 333        uint32_t saveOV_OVADD;
 334        uint32_t saveOV_OGAMC0;
 335        uint32_t saveOV_OGAMC1;
 336        uint32_t saveOV_OGAMC2;
 337        uint32_t saveOV_OGAMC3;
 338        uint32_t saveOV_OGAMC4;
 339        uint32_t saveOV_OGAMC5;
 340        uint32_t saveOVC_OVADD;
 341        uint32_t saveOVC_OGAMC0;
 342        uint32_t saveOVC_OGAMC1;
 343        uint32_t saveOVC_OGAMC2;
 344        uint32_t saveOVC_OGAMC3;
 345        uint32_t saveOVC_OGAMC4;
 346        uint32_t saveOVC_OGAMC5;
 347
 348        /* DPST register save */
 349        uint32_t saveHISTOGRAM_INT_CONTROL_REG;
 350        uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
 351        uint32_t savePWM_CONTROL_LOGIC;
 352};
 353
 354struct cdv_state {
 355        uint32_t saveDSPCLK_GATE_D;
 356        uint32_t saveRAMCLK_GATE_D;
 357        uint32_t saveDSPARB;
 358        uint32_t saveDSPFW[6];
 359        uint32_t saveADPA;
 360        uint32_t savePP_CONTROL;
 361        uint32_t savePFIT_PGM_RATIOS;
 362        uint32_t saveLVDS;
 363        uint32_t savePFIT_CONTROL;
 364        uint32_t savePP_ON_DELAYS;
 365        uint32_t savePP_OFF_DELAYS;
 366        uint32_t savePP_CYCLE;
 367        uint32_t saveVGACNTRL;
 368        uint32_t saveIER;
 369        uint32_t saveIMR;
 370        u8       saveLBB;
 371};
 372
 373struct psb_save_area {
 374        struct psb_pipe pipe[3];
 375        uint32_t saveBSM;
 376        uint32_t saveVBT;
 377        union {
 378                struct psb_state psb;
 379                struct cdv_state cdv;
 380        };
 381        uint32_t saveBLC_PWM_CTL2;
 382        uint32_t saveBLC_PWM_CTL;
 383};
 384
 385struct psb_ops;
 386
 387#define PSB_NUM_PIPE            3
 388
 389struct intel_scu_ipc_dev;
 390
 391struct drm_psb_private {
 392        struct drm_device *dev;
 393        struct pci_dev *aux_pdev; /* Currently only used by mrst */
 394        struct pci_dev *lpc_pdev; /* Currently only used by mrst */
 395        const struct psb_ops *ops;
 396        const struct psb_offset *regmap;
 397
 398        struct child_device_config *child_dev;
 399        int child_dev_num;
 400
 401        struct psb_gtt gtt;
 402
 403        /* GTT Memory manager */
 404        struct psb_gtt_mm *gtt_mm;
 405        struct page *scratch_page;
 406        u32 __iomem *gtt_map;
 407        uint32_t stolen_base;
 408        u8 __iomem *vram_addr;
 409        unsigned long vram_stolen_size;
 410        int gtt_initialized;
 411        u16 gmch_ctrl;          /* Saved GTT setup */
 412        u32 pge_ctl;
 413
 414        struct mutex gtt_mutex;
 415        struct resource *gtt_mem;       /* Our PCI resource */
 416
 417        struct mutex mmap_mutex;
 418
 419        struct psb_mmu_driver *mmu;
 420        struct psb_mmu_pd *pf_pd;
 421
 422        /* Register base */
 423        uint8_t __iomem *sgx_reg;
 424        uint8_t __iomem *vdc_reg;
 425        uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
 426        uint16_t lpc_gpio_base;
 427        uint32_t gatt_free_offset;
 428
 429        /* Fencing / irq */
 430        uint32_t vdc_irq_mask;
 431        uint32_t pipestat[PSB_NUM_PIPE];
 432
 433        spinlock_t irqmask_lock;
 434
 435        /* Power */
 436        bool suspended;
 437        bool display_power;
 438        int display_count;
 439
 440        /* Modesetting */
 441        struct psb_intel_mode_device mode_dev;
 442        bool modeset;   /* true if we have done the mode_device setup */
 443
 444        struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
 445        struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
 446        uint32_t num_pipe;
 447
 448        /* OSPM info (Power management base) (TODO: can go ?) */
 449        uint32_t ospm_base;
 450
 451        /* Sizes info */
 452        u32 fuse_reg_value;
 453        u32 video_device_fuse;
 454
 455        /* PCI revision ID for B0:D2:F0 */
 456        uint8_t platform_rev_id;
 457
 458        /* gmbus */
 459        struct intel_gmbus *gmbus;
 460        uint8_t __iomem *gmbus_reg;
 461
 462        /* Used by SDVO */
 463        int crt_ddc_pin;
 464        /* FIXME: The mappings should be parsed from bios but for now we can
 465                  pretend there are no mappings available */
 466        struct sdvo_device_mapping sdvo_mappings[2];
 467        u32 hotplug_supported_mask;
 468        struct drm_property *broadcast_rgb_property;
 469        struct drm_property *force_audio_property;
 470
 471        /* LVDS info */
 472        int backlight_duty_cycle;       /* restore backlight to this value */
 473        bool panel_wants_dither;
 474        struct drm_display_mode *panel_fixed_mode;
 475        struct drm_display_mode *lfp_lvds_vbt_mode;
 476        struct drm_display_mode *sdvo_lvds_vbt_mode;
 477
 478        struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
 479        struct psb_intel_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
 480
 481        /* Feature bits from the VBIOS */
 482        unsigned int int_tv_support:1;
 483        unsigned int lvds_dither:1;
 484        unsigned int lvds_vbt:1;
 485        unsigned int int_crt_support:1;
 486        unsigned int lvds_use_ssc:1;
 487        int lvds_ssc_freq;
 488        bool is_lvds_on;
 489        bool is_mipi_on;
 490        bool lvds_enabled_in_vbt;
 491        u32 mipi_ctrl_display;
 492
 493        unsigned int core_freq;
 494        uint32_t iLVDS_enable;
 495
 496        /* Runtime PM state */
 497        int rpm_enabled;
 498
 499        /* MID specific */
 500        bool has_gct;
 501        struct oaktrail_gct_data gct_data;
 502
 503        /* Oaktrail HDMI state */
 504        struct oaktrail_hdmi_dev *hdmi_priv;
 505
 506        /* Register state */
 507        struct psb_save_area regs;
 508
 509        /* MSI reg save */
 510        uint32_t msi_addr;
 511        uint32_t msi_data;
 512
 513        /* Hotplug handling */
 514        struct work_struct hotplug_work;
 515
 516        /* LID-Switch */
 517        spinlock_t lid_lock;
 518        struct timer_list lid_timer;
 519        struct psb_intel_opregion opregion;
 520        u32 lid_last_state;
 521
 522        /* Watchdog */
 523        uint32_t apm_reg;
 524        uint16_t apm_base;
 525
 526        /*
 527         * Used for modifying backlight from
 528         * xrandr -- consider removing and using HAL instead
 529         */
 530        struct intel_scu_ipc_dev *scu;
 531        struct backlight_device *backlight_device;
 532        struct drm_property *backlight_property;
 533        bool backlight_enabled;
 534        int backlight_level;
 535        uint32_t blc_adj1;
 536        uint32_t blc_adj2;
 537
 538        struct drm_fb_helper *fb_helper;
 539
 540        /* Panel brightness */
 541        int brightness;
 542        int brightness_adjusted;
 543
 544        bool dsr_enable;
 545        u32 dsr_fb_update;
 546        bool dpi_panel_on[3];
 547        void *dsi_configs[2];
 548        u32 bpp;
 549        u32 bpp2;
 550
 551        u32 pipeconf[3];
 552        u32 dspcntr[3];
 553
 554        bool dplla_96mhz;       /* DPLL data from the VBT */
 555
 556        struct {
 557                int rate;
 558                int lanes;
 559                int preemphasis;
 560                int vswing;
 561
 562                bool initialized;
 563                bool support;
 564                int bpp;
 565                struct edp_power_seq pps;
 566        } edp;
 567        uint8_t panel_type;
 568};
 569
 570
 571/* Operations for each board type */
 572struct psb_ops {
 573        const char *name;
 574        int pipes;              /* Number of output pipes */
 575        int crtcs;              /* Number of CRTCs */
 576        int sgx_offset;         /* Base offset of SGX device */
 577        int hdmi_mask;          /* Mask of HDMI CRTCs */
 578        int lvds_mask;          /* Mask of LVDS CRTCs */
 579        int sdvo_mask;          /* Mask of SDVO CRTCs */
 580        int cursor_needs_phys;  /* If cursor base reg need physical address */
 581
 582        /* Sub functions */
 583        struct drm_crtc_helper_funcs const *crtc_helper;
 584        struct drm_crtc_funcs const *crtc_funcs;
 585        const struct gma_clock_funcs *clock_funcs;
 586
 587        /* Setup hooks */
 588        int (*chip_setup)(struct drm_device *dev);
 589        void (*chip_teardown)(struct drm_device *dev);
 590        /* Optional helper caller after modeset */
 591        void (*errata)(struct drm_device *dev);
 592
 593        /* Display management hooks */
 594        int (*output_init)(struct drm_device *dev);
 595        int (*hotplug)(struct drm_device *dev);
 596        void (*hotplug_enable)(struct drm_device *dev, bool on);
 597        /* Power management hooks */
 598        void (*init_pm)(struct drm_device *dev);
 599        int (*save_regs)(struct drm_device *dev);
 600        int (*restore_regs)(struct drm_device *dev);
 601        void (*save_crtc)(struct drm_crtc *crtc);
 602        void (*restore_crtc)(struct drm_crtc *crtc);
 603        int (*power_up)(struct drm_device *dev);
 604        int (*power_down)(struct drm_device *dev);
 605        void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
 606        void (*disable_sr)(struct drm_device *dev);
 607
 608        void (*lvds_bl_power)(struct drm_device *dev, bool on);
 609#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 610        /* Backlight */
 611        int (*backlight_init)(struct drm_device *dev);
 612#endif
 613        int i2c_bus;            /* I2C bus identifier for Moorestown */
 614};
 615
 616
 617
 618extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
 619extern int drm_pick_crtcs(struct drm_device *dev);
 620
 621static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
 622{
 623        return (struct drm_psb_private *) dev->dev_private;
 624}
 625
 626/* psb_irq.c */
 627extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
 628extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
 629extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
 630extern int psb_enable_vblank(struct drm_crtc *crtc);
 631extern void psb_disable_vblank(struct drm_crtc *crtc);
 632void
 633psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
 634
 635void
 636psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
 637
 638extern u32 psb_get_vblank_counter(struct drm_crtc *crtc);
 639
 640/* framebuffer.c */
 641extern int psbfb_probed(struct drm_device *dev);
 642extern int psbfb_remove(struct drm_device *dev,
 643                        struct drm_framebuffer *fb);
 644/* psb_drv.c */
 645extern void psb_spank(struct drm_psb_private *dev_priv);
 646
 647/* psb_reset.c */
 648extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
 649extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
 650extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
 651
 652/* modesetting */
 653extern void psb_modeset_init(struct drm_device *dev);
 654extern void psb_modeset_cleanup(struct drm_device *dev);
 655extern int psb_fbdev_init(struct drm_device *dev);
 656
 657/* backlight.c */
 658int gma_backlight_init(struct drm_device *dev);
 659void gma_backlight_exit(struct drm_device *dev);
 660void gma_backlight_disable(struct drm_device *dev);
 661void gma_backlight_enable(struct drm_device *dev);
 662void gma_backlight_set(struct drm_device *dev, int v);
 663
 664/* oaktrail_crtc.c */
 665extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
 666
 667/* oaktrail_lvds.c */
 668extern void oaktrail_lvds_init(struct drm_device *dev,
 669                    struct psb_intel_mode_device *mode_dev);
 670
 671/* psb_intel_display.c */
 672extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
 673extern const struct drm_crtc_funcs gma_intel_crtc_funcs;
 674
 675/* psb_intel_lvds.c */
 676extern const struct drm_connector_helper_funcs
 677                                        psb_intel_lvds_connector_helper_funcs;
 678extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
 679
 680/* gem.c */
 681extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
 682                        struct drm_mode_create_dumb *args);
 683
 684/* psb_device.c */
 685extern const struct psb_ops psb_chip_ops;
 686
 687/* oaktrail_device.c */
 688extern const struct psb_ops oaktrail_chip_ops;
 689
 690/* cdv_device.c */
 691extern const struct psb_ops cdv_chip_ops;
 692
 693/* Debug print bits setting */
 694#define PSB_D_GENERAL (1 << 0)
 695#define PSB_D_INIT    (1 << 1)
 696#define PSB_D_IRQ     (1 << 2)
 697#define PSB_D_ENTRY   (1 << 3)
 698/* debug the get H/V BP/FP count */
 699#define PSB_D_HV      (1 << 4)
 700#define PSB_D_DBI_BF  (1 << 5)
 701#define PSB_D_PM      (1 << 6)
 702#define PSB_D_RENDER  (1 << 7)
 703#define PSB_D_REG     (1 << 8)
 704#define PSB_D_MSVDX   (1 << 9)
 705#define PSB_D_TOPAZ   (1 << 10)
 706
 707extern int drm_idle_check_interval;
 708
 709/* Utilities */
 710static inline u32 MRST_MSG_READ32(int domain, uint port, uint offset)
 711{
 712        int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
 713        uint32_t ret_val = 0;
 714        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 715        pci_write_config_dword(pci_root, 0xD0, mcr);
 716        pci_read_config_dword(pci_root, 0xD4, &ret_val);
 717        pci_dev_put(pci_root);
 718        return ret_val;
 719}
 720static inline void MRST_MSG_WRITE32(int domain, uint port, uint offset,
 721                                    u32 value)
 722{
 723        int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
 724        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 725        pci_write_config_dword(pci_root, 0xD4, value);
 726        pci_write_config_dword(pci_root, 0xD0, mcr);
 727        pci_dev_put(pci_root);
 728}
 729
 730static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
 731{
 732        struct drm_psb_private *dev_priv = dev->dev_private;
 733        return ioread32(dev_priv->vdc_reg + reg);
 734}
 735
 736static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
 737{
 738        struct drm_psb_private *dev_priv = dev->dev_private;
 739        return ioread32(dev_priv->aux_reg + reg);
 740}
 741
 742#define REG_READ(reg)          REGISTER_READ(dev, (reg))
 743#define REG_READ_AUX(reg)      REGISTER_READ_AUX(dev, (reg))
 744
 745/* Useful for post reads */
 746static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
 747                                              uint32_t reg, int aux)
 748{
 749        uint32_t val;
 750
 751        if (aux)
 752                val = REG_READ_AUX(reg);
 753        else
 754                val = REG_READ(reg);
 755
 756        return val;
 757}
 758
 759#define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
 760
 761static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
 762                                  uint32_t val)
 763{
 764        struct drm_psb_private *dev_priv = dev->dev_private;
 765        iowrite32((val), dev_priv->vdc_reg + (reg));
 766}
 767
 768static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
 769                                      uint32_t val)
 770{
 771        struct drm_psb_private *dev_priv = dev->dev_private;
 772        iowrite32((val), dev_priv->aux_reg + (reg));
 773}
 774
 775#define REG_WRITE(reg, val)     REGISTER_WRITE(dev, (reg), (val))
 776#define REG_WRITE_AUX(reg, val) REGISTER_WRITE_AUX(dev, (reg), (val))
 777
 778static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
 779                                      uint32_t val, int aux)
 780{
 781        if (aux)
 782                REG_WRITE_AUX(reg, val);
 783        else
 784                REG_WRITE(reg, val);
 785}
 786
 787#define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
 788
 789static inline void REGISTER_WRITE16(struct drm_device *dev,
 790                                        uint32_t reg, uint32_t val)
 791{
 792        struct drm_psb_private *dev_priv = dev->dev_private;
 793        iowrite16((val), dev_priv->vdc_reg + (reg));
 794}
 795
 796#define REG_WRITE16(reg, val)     REGISTER_WRITE16(dev, (reg), (val))
 797
 798static inline void REGISTER_WRITE8(struct drm_device *dev,
 799                                       uint32_t reg, uint32_t val)
 800{
 801        struct drm_psb_private *dev_priv = dev->dev_private;
 802        iowrite8((val), dev_priv->vdc_reg + (reg));
 803}
 804
 805#define REG_WRITE8(reg, val)            REGISTER_WRITE8(dev, (reg), (val))
 806
 807#define PSB_WVDC32(_val, _offs)         iowrite32(_val, dev_priv->vdc_reg + (_offs))
 808#define PSB_RVDC32(_offs)               ioread32(dev_priv->vdc_reg + (_offs))
 809
 810/* #define TRAP_SGX_PM_FAULT 1 */
 811#ifdef TRAP_SGX_PM_FAULT
 812#define PSB_RSGX32(_offs)                                               \
 813({                                                                      \
 814        if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) {              \
 815                pr_err("access sgx when it's off!! (READ) %s, %d\n",    \
 816                       __FILE__, __LINE__);                             \
 817                melay(1000);                                            \
 818        }                                                               \
 819        ioread32(dev_priv->sgx_reg + (_offs));                          \
 820})
 821#else
 822#define PSB_RSGX32(_offs)               ioread32(dev_priv->sgx_reg + (_offs))
 823#endif
 824#define PSB_WSGX32(_val, _offs)         iowrite32(_val, dev_priv->sgx_reg + (_offs))
 825
 826#define MSVDX_REG_DUMP 0
 827
 828#define PSB_WMSVDX32(_val, _offs)       iowrite32(_val, dev_priv->msvdx_reg + (_offs))
 829#define PSB_RMSVDX32(_offs)             ioread32(dev_priv->msvdx_reg + (_offs))
 830
 831#endif
 832